The growth of plankton in the sea is always limited by something. It may be light, or a familiar nutrient such as nitrate or phosphate.
海洋浮游藻类的生长总是受到一些东西的限制，这些东西可能是光，也可能是相似的营养物质比如硝酸盐或者磷酸盐。
Phytoplankton, like land plants, require nutrients such as nitrate, phosphate, silicate, and calcium at various levels depending on the species.
浮游植物与陆地植物一样，根据不同种类需要各级的硝酸盐、磷酸盐、硅酸盐以及钙等营养物质。
Seaweed farms would serve two main purposes: habitat and food for fish; and as "' nutrient sinks' that would take up inorganic nutrients (ammonia, nitrate, phosphate) from the water column."
建造海藻农场有两大作用：它可作为鱼类的栖息地与饲料，还可作为“养料汇集处”，从水柱中吸收无机养分(氨，硝酸盐，磷酸盐)。
Nano - hydroxyapatite was synthesized by hydrothermal method in the submerged circulating impinging stream reactor, using calcium nitrate and sodium phosphate as reactants and acetamide as dispersant.
在浸没循环撞击流反应器中，以硝酸钙和磷酸钠为原料、乙酰胺为分散剂，采用水热法合成了纳米羟基磷灰石。
The influence of influent nitrate on phosphorus removal efficiency of phosphate reduction systems under anoxic and aerobic condition was studied by changing the concentration of influent nitrate.
通过改变进水硝酸盐浓度，考察了硝酸盐对缺氧和好氧两种不同氧环境下的磷酸盐还原系统除磷效能的影响。
The continuous and steady addition of nitrate is of benefit to phosphate removal.
硝酸盐的连续稳定加入有利于磷的去除。
Potassium titanyl phosphate (KTP) nanocrystalline powders were successfully synthesized by auto-combustion of nitrate-citrate gel.
采用柠檬酸盐凝胶自燃烧法成功制备出了磷酸氧钛钾(KTP)纳米晶粉末。
By controlling the nitrate concentration in the anoxic stage, the methods and effects of inducing Denitrifying Phosphate Accumulating Organisms (DNPAOs) were studied.
通过控制缺氧段硝酸盐浓度，研究了反硝化聚磷菌的诱导方法及效果。
This paper deals with the distributive characteristics of COD in Beihai Bay, and its relationship with hydrological and biological elements, states of nitrate and phosphate.
本文探讨了北海湾COD值的分布特征及其与水文、生物要素及不同形态氮、磷含量的关系。
Maintenance of continues low level nitrate with sufficient supply of phosphate, namely low N:P ratio, may facilitate the growth of Alexandrium tamarense.
维持培养液中适当低的氮水平，并保证足够量的磷供应即较低的氮磷比是促进塔玛亚历山大藻生长的重要原因。
The uptake rates of phosphate and nitrate by phytoplankton were mainly influenced by light.
浮游植物对氮、磷的吸收速率主要受光照的影响。
Phosphate, silicate, iron or nitrate can be limiting factor in the process of phytoplankton growing.
在海洋中，铁与硝酸盐、磷酸盐和硅酸盐都可能成为浮游植物的生长限制因子。
The paper describes the development and application of a special complex fertilizer containing flue -cured tobacco ammonium nitrate-ammonium phosphate-potassium sulphate.
介绍硝酸铵-磷酸-铵—硫酸钾系高浓度烤烟专用复合肥的开发应用。
The paper describes the development and application of a special complex fertilizer containing flue -cured tobacco ammonium nitrate-ammonium phosphate-potassium sulphate.
介绍硝酸铵-磷酸-铵—硫酸钾系高浓度烤烟专用复合肥的开发应用。
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